1435144397 has 2 divisors, whose sum is σ = 1435144398. Its totient is φ = 1435144396.

The previous prime is 1435144387. The next prime is 1435144427. The reversal of 1435144397 is 7934415341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1403176681 + 31967716 = 37459^2 + 5654^2 .

It is a cyclic number.

It is not a de Polignac number, because 1435144397 - 2¹⁰ = 1435143373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1435144327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717572198 + 717572199.

It is an arithmetic number, because the mean of its divisors is an integer number (717572199).

Almost surely, 2^1435144397 is an apocalyptic number.

It is an amenable number.

1435144397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1435144397 is an equidigital number, since it uses as much as digits as its factorization.

1435144397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 1435144397 is about 37883.2997110864. The cubic root of 1435144397 is about 1127.9725560971.

The spelling of 1435144397 in words is "one billion, four hundred thirty-five million, one hundred forty-four thousand, three hundred ninety-seven".